Alert archive / New York / Tornado Warnings in 2023
Tornado Warning 2, NWS Buffalo, NY
NWS Buffalo, NY issued this tornado warning at Aug 7, 2023, 6:57 PM EDT for Jefferson County, Lewis County, Oswego County, New York. It was in force for 33 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 7, 2023, 6:57 PM EDT (22:57 UTC)
- Expired
- Aug 7, 2023, 7:30 PM EDT
- In force
- 33 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Jefferson County, NY, Lewis County, NY, Oswego County, NY
The radar
The Ft Drum radar (KTYX), 24 km from the middle of the area, began a volume at 22:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 7:27 PM EDT | TORNADO | 2 Sse North Osceola, NY | Satellite imagery confirmed tornadic damage from August 7. Time estimated from radar. This is the start location of tornado. |
| Aug 7, 7:28 PM EDT | TSTM WND DMG | 1 W North Osceola, NY | Trees on wires along North Osceola Road. |
| Aug 7, 7:30 PM EDT | TORNADO | 2 Sse North Osceola, NY | Satellite imagery confirmed tornadic damage from August 7. Time estimated from radar. This is the end location of tornado. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.0 hours before the alert went out and 247 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 112 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 692 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
832
WFUS51 KBUF 072257
TORBUF
NYC045-049-075-072330-
/O.NEW.KBUF.TO.W.0002.230807T2257Z-230807T2330Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Buffalo NY
657 PM EDT Mon Aug 7 2023
The National Weather Service in Buffalo has issued a
* Tornado Warning for...
Southern Jefferson County in central New York...
Southwestern Lewis County in central New York...
Northeastern Oswego County in central New York...
* Until 730 PM EDT.
* At 657 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Redfield, or 13 miles north of Camden, moving
north at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* Locations impacted include...
Redfield, Worth, Osceola, Kasoag, North Osceola, Salmon River
Reservoir, and Rector.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4346 7570 4348 7581 4344 7584 4347 7597
4381 7587 4372 7552
TIME...MOT...LOC 2257Z 199DEG 21KT 4352 7583
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
JJR1 follow-up statement
873
WWUS51 KBUF 072315
SVSBUF
Severe Weather Statement
National Weather Service Buffalo NY
715 PM EDT Mon Aug 7 2023
NYC045-072324-
/O.CAN.KBUF.TO.W.0002.000000T0000Z-230807T2330Z/
Jefferson NY-
715 PM EDT Mon Aug 7 2023
...THE TORNADO WARNING FOR SOUTHERN JEFFERSON COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has
weakened. Therefore, the warning has been cancelled.
LAT...LON 4346 7570 4348 7581 4344 7584 4346 7589
4369 7580 4369 7577 4375 7578 4378 7577
4372 7552
TIME...MOT...LOC 2314Z 210DEG 18KT 4348 7577
$$
NYC049-075-072330-
/O.CON.KBUF.TO.W.0002.000000T0000Z-230807T2330Z/
Lewis NY-Oswego NY-
715 PM EDT Mon Aug 7 2023
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 PM EDT FOR
SOUTHWESTERN LEWIS AND NORTHEASTERN OSWEGO COUNTIES...
At 714 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Redfield, or 9 miles north of Camden, moving
northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Redfield, Osceola, North Osceola, and Rector.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4346 7570 4348 7581 4344 7584 4346 7589
4369 7580 4369 7577 4375 7578 4378 7577
4372 7552
TIME...MOT...LOC 2314Z 210DEG 18KT 4348 7577
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
JJRThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 10:12 PM EDT | Special Weather Statement | BUF | Genesee, Niagara | 63 min |
| Aug 7, 4:37 AM EDT | Small Craft Advisory | BUF | 41 hr | |
| Aug 7, 1:42 PM EDT | Special Weather Statement | BUF | Erie, Genesee, Wyoming | 33 min |
| Aug 7, 2:12 PM EDT | Special Marine Warning | BUF | 93 min | |
| Aug 7, 2:13 PM EDT | Special Weather Statement | BUF | Niagara, Orleans | 47 min |
| Aug 7, 2:37 PM EDT | Special Marine Warning | BUF | 53 min | |
| Aug 7, 2:39 PM EDT | Special Weather Statement | BUF | Monroe, Wayne | 51 min |
| Aug 7, 2:56 PM EDT | Special Weather Statement | BUF | Niagara, Orleans | 34 min |
| Aug 7, 3:16 PM EDT | Special Weather Statement | BUF | Oswego | 44 min |
| Aug 7, 3:28 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 7, 3:59 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 46 min |
| Aug 7, 4:07 PM EDT | Beach Hazards Statement | BUF | Cayuga, Chautauqua, Erie, Jefferson, Monroe, Niagara and 3 more | 30 hr |
| Aug 7, 4:19 PM EDT | Special Marine Warning | BUF | 41 min | |
| Aug 7, 4:36 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson | 39 min |
| Aug 7, 4:45 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 45 min |
| Aug 7, 4:49 PM EDT | Special Weather Statement | BUF | Ontario, Wayne | 26 min |
| Aug 7, 4:58 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Ontario, Oswego, Wayne | 62 min |
| Aug 7, 5:04 PM EDT | Special Marine Warning | BUF | 56 min | |
| Aug 7, 5:18 PM EDT | Special Weather Statement | BUF | Jefferson | 42 min |
| Aug 7, 5:26 PM EDT | Special Weather Statement | BUF | Lewis | 49 min |
| Aug 7, 5:35 PM EDT | Special Marine Warning | BUF | 55 min | |
| Aug 7, 5:59 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego | 61 min |
| Aug 7, 6:19 PM EDT | Tornado Warning | BUF | Jefferson, Lewis | 25 min |
| Aug 7, 6:51 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 54 min |
| Aug 7, 7:29 PM EDT | Tornado Warning | BUF | Lewis | 23 min |
| Aug 7, 7:56 PM EDT | Severe Thunderstorm Warning | BUF | Lewis | 64 min |
Nearby
Tornado Warnings in New York, 2023Every tornado warning in 2023Tornadoes in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.